10857001550 has 24 divisors (see below), whose sum is σ = 21381908256. Its totient is φ = 4087341440.

The previous prime is 10857001541. The next prime is 10857001553. The reversal of 10857001550 is 5510075801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10857001553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6385622 + ... + 6387321.

It is an arithmetic number, because the mean of its divisors is an integer number (890912844).

Almost surely, 2^10857001550 is an apocalyptic number.

10857001550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10857001550 is a deficient number, since it is larger than the sum of its proper divisors (10524906706).

10857001550 is a wasteful number, since it uses less digits than its factorization.

10857001550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12772972 (or 12772967 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 32.

The spelling of 10857001550 in words is "ten billion, eight hundred fifty-seven million, one thousand, five hundred fifty".